Messages in this thread | | | From | Gregory CLEMENT <> | Subject | Re: [PATCH mvebu v3 00/10] Armada 37xx: Fix cpufreq changing base CPU speed to 800 MHz from 1000 MHz | Date | Fri, 12 Mar 2021 10:12:06 +0100 |
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Hello Pali,
> Hello Gregory! > > Patches are the for almost two months and more people have tested them. > They are marked with Fixed/CC-stable tags, they should go also into > stable trees as they are fixing CPU scaling and instability issues. > > Are there any issues with these patches? If not, could you please merge > them for upcoming Linux version?
Actually I am not the maintainer of the clk and cpufreq subsystems, so the only thing I can apply is the device tree relative patch.
Gregory
> > On Monday 22 February 2021 20:41:48 Pali Rohár wrote: >> Hello! >> >> This is third version of patches for Armada 37xx cpufreq driver which >> fix CPU scaling with 1 GHz base frequency. >> >> The only change in this third version is modified patch 04/10 with fixes >> for 1.2 GHz variant of Espressobin. Minimal CPU voltage in L1 load for >> 1.2 GHz variant was increased to 1.155V. >> >> Patches are now rebased on top of the kernel version 5.11 with all >> collected Acked-by/Tested-by lines and are available also in my git >> tree in branch a3720-cpufreq-issues: >> >> https://git.kernel.org/pub/scm/linux/kernel/git/pali/linux.git/log/?h=a3720-cpufreq-issues >> >> If you have other Armada 3720 boards with 1.2 GHz CPU, including >> Espressobin V7, let us know if it is working fine for you. >> >> Marek & Pali >> >> Marek Behún (3): >> arm64: dts: marvell: armada-37xx: add syscon compatible to NB clk node >> cpufreq: armada-37xx: Fix setting TBG parent for load levels >> clk: mvebu: armada-37xx-periph: remove .set_parent method for CPU PM >> clock >> >> Pali Rohár (7): >> cpufreq: armada-37xx: Fix the AVS value for load L1 >> clk: mvebu: armada-37xx-periph: Fix switching CPU freq from 250 Mhz to >> 1 GHz >> clk: mvebu: armada-37xx-periph: Fix workaround for switching from L1 >> to L0 >> cpufreq: armada-37xx: Fix driver cleanup when registration failed >> cpufreq: armada-37xx: Fix determining base CPU frequency >> cpufreq: armada-37xx: Remove cur_frequency variable >> cpufreq: armada-37xx: Fix module unloading >> >> arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 3 +- >> drivers/clk/mvebu/armada-37xx-periph.c | 83 +++++++------- >> drivers/cpufreq/armada-37xx-cpufreq.c | 111 +++++++++++++++---- >> 3 files changed, 135 insertions(+), 62 deletions(-) >> >> -- >> 2.20.1 >>
-- Gregory Clement, Bootlin Embedded Linux and Kernel engineering http://bootlin.com
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